Find the Right Birth Control For You

Almost a quarter of women switch contraceptives at least once a year. Some go for months in between without using any birth control at all, leaving themselves vulnerable to pregnancy. "That's why it's crucial to find a method that really works for you—one you can stick with," says ob-gyn David Plourd, M.D. Use this quiz to narrow down your choices, then call your doctor.

PATCH, RING & SHOT

Three methods that can reduce birth control slipups: The Patch, which you replace weekly, is 92 to 99 percent effective; same goes for the NuvaRing (right), which you insert in your vagina and replace monthly; the DepoProvera shot, which you get from your M.D. four times a year, is 97 percent effective.